VIDEO: Smart toothbrush spots unwashed teeth

Oral-B has expelled a new “smart toothbrush” that can detect that areas of a mouth are being neglected.

The device, called a “Genius” toothbrush, pairs with a smartphone app that users contingency mount in front of while cleaning their teeth.

The BBC’s Chris Foxx asked Oral-B code manager Ale Apostoli either that competence be inconvenient.